.portfolio-hero {
  padding: 150px 0 70px;
  background: var(--navy);
  position: relative; overflow: hidden;
}
.portfolio-hero > .container { position: relative; z-index: 1; }
.portfolio-hero__title {
  font-family: 'Poppins', sans-serif; font-weight: 800;
  font-size: clamp(30px, 4.5vw, 52px); color: #fff;
  margin-bottom: 16px; max-width: 620px;
}
/* Fundo navy: laranja vibrante já tem contraste suficiente (5.7:1) */
.portfolio-hero .eyebrow { color: var(--orange); }

.portfolio-filters {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 44px;
}
.filter-btn {
  font-family: 'DM Sans', sans-serif; font-size: 14px; font-weight: 500;
  padding: 9px 18px; border-radius: 100px;
  border: 1.5px solid rgba(15,23,42,.15);
  background: transparent; color: var(--ink);
  cursor: pointer; transition: all .2s ease;
}
.filter-btn:hover { border-color: var(--navy); }
.filter-btn.is-active { background: var(--navy); border-color: var(--navy); color: #fff; }

.portfolio-grid-full {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.portfolio-card--light {
  background: var(--white);
  border: 1px solid rgba(15,23,42,.08);
}
.portfolio-card--light .portfolio-card__body h3 { color: var(--ink); }
.portfolio-card--light .portfolio-card__body p  { color: var(--muted); }
.portfolio-card--light .portfolio-card__tag { color: var(--orange-text); }
.portfolio-card[hidden] { display: none; }

.portfolio-empty {
  text-align: center; color: var(--muted);
  padding: 40px 0; font-size: 15px;
}

@media (max-width: 768px) {
  .portfolio-grid-full { grid-template-columns: 1fr; }
  .portfolio-hero { padding: 120px 0 56px; }
}